WhiledrivingamotorboataroundtheTwinLakes,NancyandherfriendHelengetcaughtinadangerousstorm.Luckily,theyarerescuedbyanotherteenagegirlinarowboat.TheysoonlearnthattheirrescuerisLauraPendleton,whosemotherhasrecentlyhavingpassedaway.Laurahascometomeetupwithhernewguardians,butsomethingisn’tquiterightaboutthem.Nancyinvestigatesthesituation,andsoonshestumblesuponashockingsurpriseinthecellarofabungalow!
